diff --git a/src/@types/partials.ts b/src/@types/partials.ts
index abc3363ef..72fd77168 100644
--- a/src/@types/partials.ts
+++ b/src/@types/partials.ts
@@ -45,14 +45,6 @@ export enum RestrictedAllowType {
     RoomMembership = "m.room_membership",
 }
 
-export interface IJoinRuleEventContent {
-    join_rule: JoinRule; // eslint-disable-line camelcase
-    allow?: {
-        type: RestrictedAllowType;
-        room_id: string; // eslint-disable-line camelcase
-    }[];
-}
-
 export enum GuestAccess {
     CanJoin = "can_join",
     Forbidden = "forbidden",
diff --git a/src/@types/state_events.ts b/src/@types/state_events.ts
index 0e077a9e4..f2e5b16b6 100644
--- a/src/@types/state_events.ts
+++ b/src/@types/state_events.ts
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import { RoomType } from "./event";
-import { GuestAccess, HistoryVisibility, RestrictedAllowType } from "./partials";
+import { GuestAccess, HistoryVisibility, JoinRule, RestrictedAllowType } from "./partials";
 import { ImageInfo } from "./media";
 import { PolicyRecommendation } from "../models/invites-ignorer";
 
@@ -36,12 +36,18 @@ export interface RoomCreateEventContent {
 }
 
 export interface RoomJoinRulesEventContent {
+    join_rule: JoinRule;
     allow?: {
         room_id: string;
         type: RestrictedAllowType;
     }[];
 }
 
+/**
+ * @deprecated in favour of RoomJoinRulesEventContent
+ */
+export type IJoinRuleEventContent = RoomJoinRulesEventContent;
+
 export interface RoomMemberEventContent {
     avatar_url?: string;
     displayname?: string;
diff --git a/src/models/room-state.ts b/src/models/room-state.ts
index b6f4d0744..1233ad3bc 100644
--- a/src/models/room-state.ts
+++ b/src/models/room-state.ts
@@ -20,12 +20,13 @@ import { isNumber, removeHiddenChars } from "../utils";
 import { EventType, UNSTABLE_MSC2716_MARKER } from "../@types/event";
 import { IEvent, MatrixEvent, MatrixEventEvent } from "./event";
 import { MatrixClient } from "../client";
-import { GuestAccess, HistoryVisibility, IJoinRuleEventContent, JoinRule } from "../@types/partials";
+import { GuestAccess, HistoryVisibility, JoinRule } from "../@types/partials";
 import { TypedEventEmitter } from "./typed-event-emitter";
 import { Beacon, BeaconEvent, BeaconEventHandlerMap, getBeaconInfoIdentifier, BeaconIdentifier } from "./beacon";
 import { TypedReEmitter } from "../ReEmitter";
 import { M_BEACON, M_BEACON_INFO } from "../@types/beacon";
 import { KnownMembership } from "../@types/membership";
+import { RoomJoinRulesEventContent } from "../@types/state_events";
 
 export interface IMarkerFoundOptions {
     /** Whether the timeline was empty before the marker event arrived in the
@@ -962,7 +963,7 @@ export class RoomState extends TypedEventEmitter<EmittedEvents, EventHandlerMap>
      */
     public getJoinRule(): JoinRule {
         const joinRuleEvent = this.getStateEvents(EventType.RoomJoinRules, "");
-        const joinRuleContent: Partial<IJoinRuleEventContent> = joinRuleEvent?.getContent() ?? {};
+        const joinRuleContent: Partial<RoomJoinRulesEventContent> = joinRuleEvent?.getContent() ?? {};
         return joinRuleContent["join_rule"] || JoinRule.Invite;
     }